Ventilator hood



FIG. 1 is a front elevational view of a ventilator hood of my design:

FIG. 2 is a left side elevational view thereof:

FIG. 3 is a top plan view thereof:

FIG. 4 is a rear elevational view thereof:

FIG. 5 is a bottom view thereof: and

FIG. 6 is a view taken on the plane of line 6--6 on FIG. 2. 

The ornamental design for a ventilator hood, substantially as shown. 